project: msm8916: Enable the feature SCM DLOAD mode

Set PLATFORM_USE_SCM_DLOAD as 1 to make scm calls
to write to the boot misc detect register and also
to disable the watch dog debug during the dload mode.

Change-Id: I62cb7b6fd40645b55e5445e791d94263eae1b92a
diff --git a/project/msm8916.mk b/project/msm8916.mk
index 5f51f80..2dff5df 100644
--- a/project/msm8916.mk
+++ b/project/msm8916.mk
@@ -51,3 +51,6 @@
 
 #enable user force reset feature
 DEFINES += USER_FORCE_RESET_SUPPORT=1
+
+#SCM call before entering DLOAD mode
+DEFINES += PLATFORM_USE_SCM_DLOAD=1